Review-Ratios, Rates & Unit RatesLO: I will explore proportional thinking using various representations: Tape diagramsDouble Number LinesRecall: Tape DiagramTape diagram. A drawing that looks like a segment of tape, used to illustrate number relationships.Also known as a strip diagram, bar model, fraction strip, or length model.Double Number Line There are 2 different quantities.Draw a pair of parallel number lines, one for each quantity, that are “hinged” at 0.

Tad Watanabe, Kennesaw State University

Carlton had $72. Then he spent ¼ of his money on books and 3/8 of his money on sports equipment. How much money did Carlton have left?

Tape Diagram

Tad Watanabe, Kennesaw State University

Double Number Lines• There are 4 apples on each plate. If there are 6 plates, how many apples are there altogether?• There are 2 different quantities: apples and plates.

BBQHow do these quantities correspond?

Tad Watanabe, Kennesaw State University

There are 24 students in a classroom and 6 large round tables. How many children should be seated at each tableif there must be the same number of children at each table?

Tad Watanabe, Kennesaw State University

There are 24 students in a class. A hexagonal table can seat 6 students. How many hexagonal tables do we need to seat all students?

Estimate-1 foot of wire weighs 5 1/2 ounces. How long will the wire be if it weighs 32 ounces?

Class work-Worksheet problems 1-22 -Due Tomorrow.

Tad Watanabe, Kennesaw State University

Find the unite rate using double number lines (#7-14).

Class work-Worksheet #1-22 -Due Tomorrow.

If ¾ pound of nails fills a container 2/3 full, then how many pounds of nails will fill the container?

Tad Watanabe, Kennesaw State University

Adv.

1 meter of wire weighs 6.7 grams. How much will 8.7 meters of the same wire weigh?

Adv.

7.4 meters of wire weigh 17.02 grams. How much will 1 meter of the same wire weigh?

Adv.

Tad Watanabe, Kennesaw State University

Check using estimation

Check using estimation